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Finding the Third Proportional to 55,437.75 and 121,331.67

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Solution

The third proportional to 55,437.75 and 121,331.67 is: 265,547.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,437.75 : 121,331.67 = 121,331.67 : x
  2. Step 2: Convert to fraction form
    55,437.75/121,331.67 = 121,331.67/x
  3. Step 3: Cross multiply
    55,437.75x = 121,331.67 × 121,331.67
  4. Step 4: Simplify right side
    55,437.75x = 14,721,374,599.98
  5. Step 5: Solve for x
    x = 14,721,374,599.98/55,437.75
  6. Step 6: Final answer
    x = 265,547.84

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.